the latest this morning, britain's top police official, the head of scotland yard, has resigned, and the well-connected former chief executive of rupert murdoch's news international has been arrested. elizabeth palmer rorz. >> reporter: rebekah brooks had willingly made an appointment to go to the police station to answer questions when she arrived, she was arrested. anything she tells detectives now will become a formal part of the criminal inquiry into phone hacking and bribery of the "news of the world." brooks' arrest came as a surprise, but this was a shock. >> i have this afternoon informed the palace, secretary and the mayor of my intention to resign as commissioner of the metropolitan police service. >> reporter: the powerful head of london's police force resigned, not because he's personally suspected of wrongdoing but it was on his watch that the former "news of the editor" neil wallace as hired as a pr consultant to the police. he's since been arrested in connection with hacking. when this scandal exploded two weeks ago no one dreamed how many powerful people would be drag